28222734268 has 12 divisors (see below), whose sum is σ = 49392031360. Its totient is φ = 14110725312.

The previous prime is 28222734247. The next prime is 28222734271. The reversal of 28222734268 is 86243722282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53613 + ... + 243556.

Almost surely, 2^28222734268 is an apocalyptic number.

It is an amenable number.

28222734268 is a deficient number, since it is larger than the sum of its proper divisors (21169297092).

28222734268 is a wasteful number, since it uses less digits than its factorization.

28222734268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320916 (or 320914 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The spelling of 28222734268 in words is "twenty-eight billion, two hundred twenty-two million, seven hundred thirty-four thousand, two hundred sixty-eight".